英语词汇“vacuum tube”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-ABC网

单词	vacuum tube
释义	vacuum tube 汉语翻译真空管, 电子管【化】真空管英语解释：名词 vacuum tube: electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope 同义词：tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve
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vacuum tube